Decker etal
modified bobbin chuck

ABSTRACT

A DEVICE FOR WINDING PACKAGES OF TEXTILE YARN ON A BOBBIN IS PROVIDED WITH ELECTROPNEUMATIC MEANS FOR CONVIENENT REMOVAL OF THE BOBBIN FROM THE WINDING DEVICE. THE DEVICE INCLUDES A DRIVEN BOBBIN CHUCK HAVING A FREEEND SPINDLE JOURNALLED IN A VOTALLY MOUNTED CASING AND CLUTCH BARS EXPANDABLE OUTWADLY TO HOLD THE BORRIN DURING WINDING AND ROTATABLE TO RELEASE THE BOBBIN DURING REMOVAL. AN ANNULAR PLATE IS CONCENTRICALLY MOUNTED ABOUT THE SPONDLE AND IS ACCUTATED FORWARDLY TOWARDS THE FREE END OF THE SPONDLE TO PUSH THE BOBBIN OFF THE CHUCK DURING FOFFING. DURING WINDING, THE PLATE IS IN A RETRACTED POSITION. ELECTROPNEUMATIC MEANS IS CONNECTED TO THE PLATE, THE CHUCK, AND THE CASING, AND IS OPERABLE TO REMOVE THE BOBBIN.

DEFENSIVE PUBLIGATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, S69 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public-for inspectionvand reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oifice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED MARCH 28, 1972 A device for winding packages of textile yarn on a bobbin is provided with electropneurnatic means for convenient removal of the bobbin from the winding device. The device includes a driven bobbin chuck having a freeend spindle journalled in a pivotally mounted casing and clutch bars expandable outwardly to hold the bobbin during winding and rotatable to release the bobbin during removal. An annular plate is concentrically mounted about the spindle and is accuated forwardly towards the free end of the spindle to push the bobbin olT the chuck during dofiing. During winding, the plate is in a retracted position. Electropneumatic means is connected to the plate, the chuck, and the casing, and is operable to remove the bobbin.

archZ, 1972 w. p. DECKER ETAL MODIFIED BOBBIN cHUcK Filed Sept. 25, 1970 PNEUMATIC INVENTORS ANDREW P. CARTERQJR, WILLIAM Do DECKER CHARLES R. LEWIS Q Q I- O 2 6 5m 8 7 2 4 6 8 M 5 CO 6 7 A a o\ 8 8 6 6 7 4 H 7 v 8 4 8 Q 6 ELECTRICAL 

